Aseprite - Aseprite is an art program dedicated to the creation of pixel art.
Filterloop - Filterloop is a fantastic photo editing application offering millions of effects to make your photo look beautiful and attractive.
Pixilart - A drawing app for delightfully retro pixel art
RNI Films - Real film filters for iPhone photographers
Pixel Art Studio - A purpose-built drawing tool for pixel artists
Kamon - Kamon is an analog film camera introduced by Xiumei Xuan, which brings a lot of features for its users to enjoy crisp and unique photography right on their smartphones.